[GCI] backz task: unify the back button functionality, avoid using the save button
unit uGearUtils;
interface
uses uTypes;
procedure doMakeExplosion(X, Y, Radius: LongInt; AttackingHog: PHedgehog; Mask: Longword; const Tint: LongWord = $FFFFFFFF);
implementation
uses uGearsList;
procedure doMakeExplosion(X, Y, Radius: LongInt; AttackingHog: PHedgehog; Mask: Longword; const Tint: LongWord);
var Gear: PGear;
dmg, dmgRadius, dmgBase: LongInt;
fX, fY: hwFloat;
vg: PVisualGear;
i, cnt: LongInt;
begin
if Radius > 4 then AddFileLog('Explosion: at (' + inttostr(x) + ',' + inttostr(y) + ')');
if Radius > 25 then KickFlakes(Radius, X, Y);
if ((Mask and EXPLNoGfx) = 0) then
begin
vg:= nil;
if Radius > 50 then vg:= AddVisualGear(X, Y, vgtBigExplosion)
else if Radius > 10 then vg:= AddVisualGear(X, Y, vgtExplosion);
if vg <> nil then
vg^.Tint:= Tint;
end;
if (Mask and EXPLAutoSound) <> 0 then PlaySound(sndExplosion);
if (Mask and EXPLAllDamageInRadius) = 0 then
dmgRadius:= Radius shl 1
else
dmgRadius:= Radius;
dmgBase:= dmgRadius + cHHRadius div 2;
fX:= int2hwFloat(X);
fY:= int2hwFloat(Y);
Gear:= GearsList;
while Gear <> nil do
begin
dmg:= 0;
//dmg:= dmgRadius + cHHRadius div 2 - hwRound(Distance(Gear^.X - int2hwFloat(X), Gear^.Y - int2hwFloat(Y)));
//if (dmg > 1) and
if (Gear^.State and gstNoDamage) = 0 then
begin
case Gear^.Kind of
gtHedgehog,
gtMine,
gtBall,
gtMelonPiece,
gtGrenade,
gtClusterBomb,
// gtCluster, too game breaking I think
gtSMine,
gtCase,
gtTarget,
gtFlame,
gtExplosives,
gtStructure: begin
// Run the calcs only once we know we have a type that will need damage
if hwRound(hwAbs(Gear^.X-fX)+hwAbs(Gear^.Y-fY)) < dmgBase then
dmg:= dmgBase - max(hwRound(Distance(Gear^.X - fX, Gear^.Y - fY)),Gear^.Radius);
if dmg > 1 then
begin
dmg:= ModifyDamage(min(dmg div 2, Radius), Gear);
//AddFileLog('Damage: ' + inttostr(dmg));
if (Mask and EXPLNoDamage) = 0 then
begin
if not Gear^.Invulnerable then
ApplyDamage(Gear, AttackingHog, dmg, dsExplosion)
else
Gear^.State:= Gear^.State or gstWinner;
end;
if ((Mask and EXPLDoNotTouchAny) = 0) and (((Mask and EXPLDoNotTouchHH) = 0) or (Gear^.Kind <> gtHedgehog)) then
begin
DeleteCI(Gear);
if Gear^.Kind <> gtHedgehog then
begin
Gear^.dX:= Gear^.dX + SignAs(_0_005 * dmg + cHHKick, Gear^.X - fX)/Gear^.Density;
Gear^.dY:= Gear^.dY + SignAs(_0_005 * dmg + cHHKick, Gear^.Y - fY)/Gear^.Density;
end
else
begin
Gear^.dX:= Gear^.dX + SignAs(_0_005 * dmg + cHHKick, Gear^.X - fX);
Gear^.dY:= Gear^.dY + SignAs(_0_005 * dmg + cHHKick, Gear^.Y - fY);
end;
Gear^.State:= (Gear^.State or gstMoving) and (not gstLoser);
if not Gear^.Invulnerable then
Gear^.State:= (Gear^.State or gstMoving) and (not gstWinner);
Gear^.Active:= true;
if Gear^.Kind <> gtFlame then FollowGear:= Gear
end;
if ((Mask and EXPLPoisoned) <> 0) and (Gear^.Kind = gtHedgehog) and (not Gear^.Invulnerable) then
Gear^.Hedgehog^.Effects[hePoisoned] := true;
end;
end;
gtGrave: begin
// Run the calcs only once we know we have a type that will need damage
if hwRound(hwAbs(Gear^.X-fX)+hwAbs(Gear^.Y-fY)) < dmgBase then
dmg:= dmgBase - hwRound(Distance(Gear^.X - fX, Gear^.Y - fY));
if dmg > 1 then
begin
dmg:= ModifyDamage(min(dmg div 2, Radius), Gear);
Gear^.dY:= - _0_004 * dmg;
Gear^.Active:= true
end
end;
end;
end;
Gear:= Gear^.NextGear
end;
if (Mask and EXPLDontDraw) = 0 then
if (GameFlags and gfSolidLand) = 0 then
begin
cnt:= DrawExplosion(X, Y, Radius) div 1608; // approx 2 16x16 circles to erase per chunk
if (cnt > 0) and (SpritesData[sprChunk].Texture <> nil) then
for i:= 0 to cnt do
AddVisualGear(X, Y, vgtChunk)
end;
uAIMisc.AwareOfExplosion(0, 0, 0)
end;
end.